Home / 19,595.47-27,041.30-10,642.78

Finding the Fourth Proportional to 19,595.47, 27,041.30 and 10,642.78

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Solution

The fourth proportional to 19,595.47, 27,041.30 and 10,642.78 is: 14,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.47 : 27,041.30 = 10,642.78 : x
  2. Step 2: Convert to fraction form
    19,595.47/27,041.30 = 10,642.78/x
  3. Step 3: Cross multiply
    19,595.47x = 27,041.30 × 10,642.78
  4. Step 4: Simplify right side
    19,595.47x = 287,794,512.60
  5. Step 5: Solve for x
    x = 287,794,512.60/19,595.47
  6. Step 6: Final answer
    x = 14,686.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.